JP6462308B2 - 物体検知装置 - Google Patents
物体検知装置 Download PDFInfo
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- JP6462308B2 JP6462308B2 JP2014215099A JP2014215099A JP6462308B2 JP 6462308 B2 JP6462308 B2 JP 6462308B2 JP 2014215099 A JP2014215099 A JP 2014215099A JP 2014215099 A JP2014215099 A JP 2014215099A JP 6462308 B2 JP6462308 B2 JP 6462308B2
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- object detection
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- 238000001514 detection method Methods 0.000 title claims description 54
- 238000004364 calculation method Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000007717 exclusion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 7
- 230000002238 attenuated effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000015654 memory Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 241000255777 Lepidoptera Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/46—Indirect determination of position data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/87—Combinations of sonar systems
- G01S15/876—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
- G01S15/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector wherein transceivers are operated, either sequentially or simultaneously, both in bi-static and in mono-static mode, e.g. cross-echo mode
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/527—Extracting wanted echo signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/46—Indirect determination of position data
- G01S2015/465—Indirect determination of position data by Trilateration, i.e. two transducers determine separately the distance to a target, whereby with the knowledge of the baseline length, i.e. the distance between the transducers, the position data of the target is determined
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
- G01S2015/938—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details in the bumper area
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
・上記実施形態では、第2直接波まで検出し、2つの物体の位置を算出するものとしているが、第3直接波まで検出し、3つの物体50の位置を算出するものとしてもよい。このとき、第1直接波と第2直接波とが、それぞれ異なる物体により反射されたものであり、第3直接波が、一方の物体についての多重反射波である場合と、第2直接波が第1直接波を反射した物体についての多重反射波であり、第3直接波は、他の物体により反射されたものである場合とが起こり得る。加えて、第2直接波及び第3直接波が、共に、第1直接波を反射した物体についての多重反射波されたものである場合も起こり得る。
Claims (5)
- 周囲に探査波を送信し、該探査波の反射波を物体の検知情報として受信することで物体の位置を検知する物体検知装置(10)であって、
前記探査波の1回の送信機会に対して、複数の反射波を受信する場合に、該複数の反射波により、前記物体との距離をそれぞれ算出する距離算出手段と、
前記複数の反射波の波高値をそれぞれ取得する波高取得手段と、
前記複数の反射波のうち、前記物体との距離が最も小さく算出される前記反射波を第1波とし、複数の反射波のうち、前記距離が前記第1波により算出される距離の2以上の整数倍として算出され、且つ、前記第1波との波高値の差が、前記第1波の波高値に応じて可変に設定される所定値よりも大きい前記反射波が存在する場合に、第2波以降に多重反射が生じていると判定する多重反射判定手段と、を備えることを特徴とする物体検知装置。 - 前記多重反射判定手段により前記多重反射が生じていると判定された場合に、前記第2波以降の反射波を、前記物体の位置の算出から除外する除外手段を備える請求項1に記載の物体検知装置。
- 前記除外手段は、前記複数の反射波のうち、前記物体との距離が前記第1波により算出される距離の2倍であり、且つ、前記第1波との波高値の差が前記所定値よりも大きい第2波が存在し、さらに前記物体との距離が前記第1波により算出される距離の3倍である第3波が存在する場合に、前記第2波以降の反射波を、前記物体の位置の算出から除外することを特徴とする、請求項2に記載の物体検知装置。
- 前記多重反射判定手段により前記多重反射が生じていないと判定された場合に、前記第2波以降の反射波により、前記第1波により算出した物体とは異なる物体の位置を算出する手段をさらに備えることを特徴とする、請求項1〜3のいずれか1項に記載の物体検知装置。
- 前記探査波の送信及び前記反射波の受信を行う複数の測距センサ(20)を有するシステムに適用され、
前記多重反射判定手段により前記多重反射が生じていると判定された場合に、その多重反射が生じたとされた前記測距センサでの前記反射波による位置の算出を停止する手段をさらに備えることを特徴とする、請求項1〜4のいずれか1項に記載の物体検知装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014215099A JP6462308B2 (ja) | 2014-10-22 | 2014-10-22 | 物体検知装置 |
DE102015219802.2A DE102015219802A1 (de) | 2014-10-22 | 2015-10-13 | Objekterfassungsvorrichtung |
US14/918,330 US10451734B2 (en) | 2014-10-22 | 2015-10-20 | Object detecting apparatus |
CN201510689427.1A CN105549018B (zh) | 2014-10-22 | 2015-10-21 | 对象检测装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2014215099A JP6462308B2 (ja) | 2014-10-22 | 2014-10-22 | 物体検知装置 |
Publications (2)
Publication Number | Publication Date |
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JP2016080649A JP2016080649A (ja) | 2016-05-16 |
JP6462308B2 true JP6462308B2 (ja) | 2019-01-30 |
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JP2014215099A Active JP6462308B2 (ja) | 2014-10-22 | 2014-10-22 | 物体検知装置 |
Country Status (4)
Country | Link |
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US (1) | US10451734B2 (ja) |
JP (1) | JP6462308B2 (ja) |
CN (1) | CN105549018B (ja) |
DE (1) | DE102015219802A1 (ja) |
Families Citing this family (9)
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JP6638554B2 (ja) * | 2016-05-19 | 2020-01-29 | 株式会社デンソー | 物体検知装置及び物体検知方法 |
US10594920B2 (en) * | 2016-06-15 | 2020-03-17 | Stmicroelectronics, Inc. | Glass detection with time of flight sensor |
JP6767862B2 (ja) * | 2016-12-26 | 2020-10-14 | 株式会社Soken | 物体検知装置 |
CN112578371B (zh) * | 2019-09-30 | 2024-04-12 | 华为技术有限公司 | 一种信号处理方法及装置 |
WO2021199651A1 (ja) * | 2020-03-31 | 2021-10-07 | パナソニックIpマネジメント株式会社 | 物体検知装置および運転支援システム |
JP7306310B2 (ja) * | 2020-04-15 | 2023-07-11 | 株式会社デンソー | 光測距装置 |
JP7516894B2 (ja) * | 2020-06-12 | 2024-07-17 | 株式会社アイシン | 物体検出装置 |
EP3961255A1 (en) * | 2020-08-28 | 2022-03-02 | Aptiv Technologies Limited | Driver assistance system for a vehicle, vehicle and a driver assistance method implementable by the system |
JP2022152879A (ja) * | 2021-03-29 | 2022-10-12 | パナソニックIpマネジメント株式会社 | 物体検出装置及び物体検出方法 |
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2014
- 2014-10-22 JP JP2014215099A patent/JP6462308B2/ja active Active
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2015
- 2015-10-13 DE DE102015219802.2A patent/DE102015219802A1/de active Pending
- 2015-10-20 US US14/918,330 patent/US10451734B2/en active Active
- 2015-10-21 CN CN201510689427.1A patent/CN105549018B/zh active Active
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DE102015219802A1 (de) | 2016-04-28 |
US20160116591A1 (en) | 2016-04-28 |
US10451734B2 (en) | 2019-10-22 |
CN105549018A (zh) | 2016-05-04 |
JP2016080649A (ja) | 2016-05-16 |
CN105549018B (zh) | 2019-07-23 |
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